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The making of Pot ash and Pearl ashes (31-Jul-1790)

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US Patent Publication (Source: DOCDB)
Publication No. US X1 I1 published on 31-Jul-1790
Application No. US X1D A filed on 31-Jul-1790
Inventors
HOPKINS SAMUEL
US
Assignees/Applicants
HOPKINS SAMUEL
US
Priority
US X1T A  31-Jul-1790
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(Source: USPTO)